Top-seeded Marion Bartoli and No. 2 Tamira Paszek were beaten Tuesday in the first round of the Strasbourg International.
Bartoli, the 2007 Wimbledon finalist, lost 6-3, 6-2 to the 88th-ranked Camila Giorgi after dropping serve six times. Paszek was beaten 6-1, 6-4 by wild-card entry Virgine Razzano.
Lauren Davis upset sixth-seeded Christina McHale 7-5, 6-3, Maria-Teresa Torro-Flor downed No. 8 Daniela Hantuchova 6-3, 4-6, 7-6 (4), and fourth-seeded Hsieh Su-wei rallied to beat Annika Beck 6-7 (6), 7-5, 6-1.
Third-seeded Alize Cornet converted all four breakpoints to win 6-3, 6-2 against Mathilde Johansson, No. 5 Monica Niculescu of Romania rallied past Marina Erakovic 6-7 (7), 6-3, 7-5 (5), and No. 7 Chanelle Scheepers topped Claire Feuerstein 7-5, 6-4.
Flavia Pannetta, Misaki Doi, Anna Tatishvili, Eugenie Bouchard, Johanna Larsson, Lucie Hradecka, Magda Linette and Shelby Rogers advanced.
Heavy rain prevented any play Monday, forcing all seven first-round matches to be moved to Tuesday.